[Extensions Bindings] Add a bridge to use current custom bindings

extensions/renderer/module_system.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef EXTENSIONS_RENDERER_MODULE_SYSTEM_H_
 #define EXTENSIONS_RENDERER_MODULE_SYSTEM_H_
 
 #include <map>
 #include <memory>
 #include <set>
@@ skipping 135 matching lines @@
   void SetNativeLazyField(v8::Local<v8::Object> object,
                           const std::string& field,
                           const std::string& module_name,
                           const std::string& module_field);
 
   // Passes exceptions to |handler| rather than console::Fatal.
   void SetExceptionHandlerForTest(std::unique_ptr<ExceptionHandler> handler) {
     exception_handler_ = std::move(handler);
   }
 
+  // Called when a native binding is created in order to run any custom binding
+  // code to set up various hooks.
+  // TODO(devlin): We can get rid of this once we convert all our custom
+  // bindings.
+  void OnNativeBindingCreated(const std::string& api_name,
+                              v8::Local<v8::Value> api_bridge_value);
+
  protected:
   friend class ModuleSystemTestEnvironment;
   friend class ScriptContext;
   void Invalidate() override;
 
  private:
   typedef std::map<std::string, std::unique_ptr<NativeHandler>>
       NativeHandlerMap;
 
   // Retrieves the lazily defined field specified by |property|.
@@ skipping 36 matching lines @@
   void RequireAsync(const v8::FunctionCallbackInfo<v8::Value>& args);
 
   // Wraps |source| in a (function(define, require, requireNative, ...) {...}).
   v8::Local<v8::String> WrapSource(v8::Local<v8::String> source);
 
   // NativeHandler implementation which returns the private area of an Object.
   void Private(const v8::FunctionCallbackInfo<v8::Value>& args);
 
   // Loads and runs a Javascript module.
   v8::Local<v8::Value> LoadModule(const std::string& module_name);
+  v8::Local<v8::Value> LoadModuleWithNativeAPIBridge(
+      const std::string& module_name,
+      v8::Local<v8::Value> api_object);
 
   // Invoked when a module is loaded in response to a requireAsync call.
   // Resolves |resolver| with |value|.
   void OnModuleLoaded(
       std::unique_ptr<v8::Global<v8::Promise::Resolver>> resolver,
       v8::Local<v8::Value> value);
 
   // gin::ModuleRegistryObserver overrides.
   void OnDidAddPendingModule(
       const std::string& id,
@@ skipping 35 matching lines @@
   std::vector<std::unique_ptr<NativeHandler>> clobbered_native_handlers_;
 
   base::WeakPtrFactory<ModuleSystem> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ModuleSystem);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_RENDERER_MODULE_SYSTEM_H_